I-epoxy ephilisa i-ejenti yikhemikhali esetyenziselwa ukunyangaiintlazi epoxyngokuphendula ngamachiza kunye namaqela e-epoxy kwi-epoxy resin ukwenza isakhiwo esidibeneyo, ngaloo ndlela yenza i-epoxy resin ibe yinto eqinile, ehlala ixesha elide.
Indima ephambili yeearhente zokunyanga i-epoxy kukuphucula ubulukhuni, ukuxhathisa kwe-abrasion, kunye nokumelana neekhemikhali ze-epoxy resins, zizenze zibe yinto ehlala ixesha elide kunye neyomeleleyo, eyinxalenye ebalulekileyo ye-epoxy pultruded composite. Eli nqaku labelana ngendlela yokukhetha i-epoxy-ephilisa i-ejenti efanelekileyo ngokusekelwe kwizinto ezahlukeneyo:
Ngokweemeko zokunyanga
- Ukunyanga kwiqondo lokushisa lokushisa: Ukuba ukunyanga ngokukhawuleza kwiqondo lokushisa eliqhelekileyo kuyadingeka, i-aliphatic amine yokunyanga i-amine efana ne-ethylenediamine kunye ne-diethylenetriamine inokukhethwa; ukuba isantya sokunyanga asifunwa ukuba sibe phezulu, kwaye sigxininise kwixesha lokusebenza, ii-agent zokunyanga ze-polyamide zingakhethwa.
- Ukunyangwa kobushushu: Ukumelana nobushushu obuphezulu kunye neempawu zemishini, i-amine ecocekileyo yokunyanga, njenge-diaminodiphenylsulfone (DDS), njl., ingasetyenziswa; kubushushu obuphantsi bokuphilisa ngokukhawuleza, iiarhente zokunyanga i-amine ezilungisiweyo ezine-accelerator zinokuqwalaselwa.
- Ukunyanga phantsi kweemeko ezikhethekileyo: ukunyanga kwindawo enomswakama, i-ejenti yokunyanga yokunyanga ingakhethwa; kwinkqubo yokunyanga ukukhanya, i-arhente yokunyanga enefotoinitiator kunye ne-epoxy acrylate inokukhethwa.
Ngokweemfuno zokusebenza
- Iimpawu zoomatshini: ukuba ubunzima obuphezulu kunye namandla aphezulu afunekayo, ii-agent zokunyanga i-anhydride zinokukhethwa; ukuba ukuguquguquka okulungileyo kunye nokuchasana kwempembelelo kuyafuneka, ii-agent zokunyanga eziqinileyo ezifana nerabha ye-polysulfide zifanelekile ngakumbi.
-Ukumelana nemichiza: iimfuno eziphezulu kwi-asidi, i-alkali, kunye nokumelana ne-solvent,phenolic resini-arhente yokunyanga okanye enye i-arhente yokunyanga i-amine elungisiweyo ifaneleke ngakumbi.
- Ukumelana nokushisa: Kwiindawo eziphezulu zokushisa, ezifana ne-200 ℃, i-agent ye-silicone yokunyanga okanye i-agent yokunyanga ene-polyaromatic structure inokuqwalaselwa.
Ngokwemeko yokusetyenziswa
- Ubume bendawo yangaphakathi: iimfuno eziphakamileyo zokhuseleko lokusingqongileyo, i-epoxy ephilisa i-epoxy yamanzi okanye i-amine eguquguqukayo ephantsi yokunyanga i-amine ifanelekile ngakumbi.
-Indawo yangaphandle: ukuchasana kwemozulu elungileyo kuyafuneka, i-alicyclic amine yokunyanga iiarhente ezinokumelana ne-UV ifanelekile ngakumbi.
- Iindawo ezikhethekileyo: Kwiindawo ezineemfuno zococeko eziphezulu ezifana nokutya kunye neyeza, i-non-toxic okanye i-low-toxic epoxy curing agents ezifana ne-polyamide certified certified agents zokunyanga kufuneka zikhethwe.
Qwalasela iimfuno zenkqubo
- Ixesha lokusebenza: Ixesha elide lokusebenza, khetha i-ejenti yokunyanga efihlakeleyo, efana ne-dicyandiamide, njl. Ukwenza umsebenzi omfutshane kunye nexesha lokunyanga, khetha ukunyanga ngokukhawuleza kwe-aliphatic amine yokunyanga i-amine.
- Ukunyanga inkangeleko: Kwimbonakalo yokunyanga engenambala kunye nokucacileyo, khetha i-alicyclic amine ephilisa i-amine, njl.
Idityaniswe nexabiso lexabiso
- Phantsi kwesiseko sokuhlangabezana neemfuno zokusebenza, thelekisa ixabiso kunye nedosi yeearhente ezahlukeneyo zokunyanga. Ixabiso lee-arhente zokunyanga i-amine liphantsi ngokwentelekiso, ngelixa ezinye ii-agent ezikhethekileyo zokunyanga ezifana ne-fluorine-equlethe kunye ne-silicone-equlathe ii-agent zokunyanga zibiza kakhulu.
Ixesha lokuposa: Mar-18-2025
